Marshall Major IV Wireless Bluetooth On Ear Headphone with Mic Color:Black Stress testing and breath training

Stress testing and breath training to help you for better lifestyle

Support Devices : Android 4

Multi-Language Manual

Intuitive to your needs

With a next-gen control algorithm

Marshall Major IV Wireless Bluetooth On Ear Headphone with Mic Color:Black Stress testing and breath trainingFeatures Major IV delivers 80+ solid hours of wireless playtime. Major IVs new, improved ergonomic design means that when youre deep diving into your music, the tenth hour is as comfortable as the first. Re Engineered New ear cushions + 3D hinges + straight fit headband + loop wire with reinforced rubber dampers. Major IV can be charged wirelessly, so its now easier than ever to charge and go. The multi directional control knob lets you control your